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signal-application-python-sdk · PyPI


Project description

Add Signal-Application-SDK as a dependency to requirements.txt

signal-application-python-sdk==<latest>

Install dependencies

python setup.py install

Entry point for Signal Application SDK

  • Creates a bi-directional communication between device shadow and application

Initialize SDK

self.app = SignalApp()
self.app.initialize(self.onConfigChange, self.onEvent)

Provide a callback method to get notified when a configuration change is requested

def onConfigChange(self, config):
  • Will be triggered when a new configuration change requested from the cloud

Provide a callback method to get notified when an event is received from event bus

def onEvent(self, event):
  • Will be triggered when a new event received from application’s subscribed topic

Call next to forward the event to the next node (application), if next_app_id(optional) is specified, it forwards the event to the specified application

self.app.next(event: object, next_app_id)

Call next to forward the event to the next node running on node-red.

self.app.nextNode(event: object)

Call reportConfigurationChange to report when configuration change is applied

self.app.reportConfigurationChange(config: object)

Sample usage

Consider adding these two params to the application detail
Settings
Settings

config object will be reveived as below

{
    message: 'some text message',
    param2: 101
}

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